Finding the Fourth Proportional to 1,871.82, 2,582.69 and 1,173.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,871.82 : 2,582.69 = 1,173.33 : x
2. Step 2: Convert to fraction form
   1,871.82/2,582.69 = 1,173.33/x
3. Step 3: Cross multiply
   1,871.82x = 2,582.69 × 1,173.33
4. Step 4: Simplify right side
   1,871.82x = 3,030,341.79
5. Step 5: Solve for x
   x = 3,030,341.79/1,871.82
6. Step 6: Final answer
   x = 1,618.93